Specification Assistance
Support & Reference for Specifying Metals

Specifying Products from Contrarian Micro Textures

Sometimes building design professionals struggle with specifying materials. First of all, the CSI (Construction Specifications Institute) format for building product specifications is geared toward systems, not materials. This tends to favor delegating the responsibility for material selection to the panel manufacturer or fabricator in the case of metal building panel systems. 

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Stainless Steel for Severe Marine Environments

Severe marine environments suggest that duplex stainless steel or titanium would be appropriate material choices for exterior building panel applications. These metals can be expected to last the life of the building with little or no maintenance. In most market conditions, stainless steel has an economic advantage compared to titanium. Additionally, titanium’s corrosion resistance in severe environments is unquestionable. 

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Life Cycle Costing

Our philosophy regarding materials is to select a product that will last the useful life of the building with little or no maintenance. This usually results in the least long-term cost to the building owner. It also limits environmental impact (see Environmental Responsibility). The Federal Highway Administration issued a report in 2001 estimating that in the United States alone, we spend $550 billion per year combating metallic corrosion. 

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Metallic Corrosion

Aside from catastrophic damage, metallic corrosion is clearly the chief cause of metal building panel failure. When architectural metal panels corrode, there are undesirable consequences that go beyond cosmetics. Corroding panel systems will begin to leak, causing potentially significant damage to the interior of a building. 

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